Scippy

SCIP

Solving Constraint Integer Programs

build_dejavu_graph.h
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1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2/* */
3/* This file is part of the program and library */
4/* SCIP --- Solving Constraint Integer Programs */
5/* */
6/* Copyright (c) 2002-2025 Zuse Institute Berlin (ZIB) */
7/* */
8/* Licensed under the Apache License, Version 2.0 (the "License"); */
9/* you may not use this file except in compliance with the License. */
10/* You may obtain a copy of the License at */
11/* */
12/* http://www.apache.org/licenses/LICENSE-2.0 */
13/* */
14/* Unless required by applicable law or agreed to in writing, software */
15/* distributed under the License is distributed on an "AS IS" BASIS, */
16/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
17/* See the License for the specific language governing permissions and */
18/* limitations under the License. */
19/* */
20/* You should have received a copy of the Apache-2.0 license */
21/* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22/* */
23/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24
25/**@file build_dejavu_graph.h
26 * @brief methods to build dejavu graph for symmetry detection
27 * @author Christopher Hojny
28 * @author Marc Pfetsch
29 */
30
31/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32
33#ifndef __SCIP_BUILD_DEJAVU_GRAPH_H_
34#define __SCIP_BUILD_DEJAVU_GRAPH_H_
35
36#include "scip/scip.h"
37
38#include <dejavu/dejavu.h>
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
46
47/** compute generators of symmetry group */
48SCIP_EXPORT
50 SCIP* scip, /**< SCIP pointer */
51 dejavu::static_graph* dejavugraph, /**< pointer to hold dejavu graph being created */
52 SYM_GRAPH* graph, /**< symmetry detection graph */
53 SCIP_Bool* success /**< pointer to store whether dejavugraph could be built */
54 );
55
56
57/** returns whether two given graphs are identical */
58SCIP_EXPORT
60 SCIP* scip, /**< SCIP pointer */
61 dejavu::static_graph* dejavugraph, /**< pointer to hold dejavu graph being created */
62 SYM_GRAPH* G1, /**< first graph */
63 SYM_GRAPH* G2, /**< second graph */
64 int* nnodes, /**< pointer to store number of nodes in dejavu graph */
65 int* nnodesfromG1, /**< pointer to store number of nodes in dejavu graph arising from G1 */
66 SCIP_Bool* success /**< pointer to store whether dejavugraph could be built */
67 );
68
69
70#ifdef __cplusplus
71}
72#endif
73
74#endif
SCIP_RETCODE SYMbuildDejavuGraphCheck(SCIP *scip, dejavu::static_graph *dejavugraph, SYM_GRAPH *G1, SYM_GRAPH *G2, int *nnodes, int *nnodesfromG1, SCIP_Bool *success)
SCIP_RETCODE SYMbuildDejavuGraph(SCIP *scip, dejavu::static_graph *dejavugraph, SYM_GRAPH *graph, SCIP_Bool *success)
#define SCIP_Bool
Definition: def.h:91
#define nnodes
Definition: gastrans.c:74
SCIP callable library.
structs for symmetry computations
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
type definitions for symmetry computations